powerpc: strncmp optimization for power9
commitd89060d60307c84995177a6fba2ed80c96f6b914
authorRajalakshmi Srinivasaraghavan <raji@linux.vnet.ibm.com>
Tue, 13 Dec 2016 05:23:42 +0000 (13 10:53 +0530)
committerRajalakshmi Srinivasaraghavan <raji@linux.vnet.ibm.com>
Tue, 13 Dec 2016 05:23:42 +0000 (13 10:53 +0530)
treef5d36eab18ecd6cced3967e2b896f48894edc50c
parent92dcaa3e2f7bf0f7f1c04cd2fb6a317df1a4e225
powerpc: strncmp optimization for power9

Vectorized loops are used for strings > 32B when compared
to power8 optimization.

Tested on power9 ppc64le simulator.
ChangeLog
sysdeps/powerpc/powerpc64/multiarch/Makefile
sysdeps/powerpc/powerpc64/multiarch/ifunc-impl-list.c
sysdeps/powerpc/powerpc64/multiarch/strncmp-power9.S [new file with mode: 0644]
sysdeps/powerpc/powerpc64/multiarch/strncmp.c
sysdeps/powerpc/powerpc64/power9/strncmp.S [new file with mode: 0644]